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Audiovox FPE1505 has picture but no sound. When there is sound, extremely faint picture and brightness and contrast have virtually no effect

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  • bgloyd May 25, 2008

    All capacitors look normal and there is no sign of overheating resistors.

  • bgloyd May 26, 2008

    Yes. This happens even with the AGC source selected. The computer picture is great. If the sound is active, then the computer picture is very dim as well. You can see an image by shining a flashlight onto the screen at an oblique angle. This allows me to see the Menu functions an none seem to have any positive effects.

  • bgloyd May 26, 2008

    Sorry, I typed AGC and it should be VGA.

  • bgloyd May 27, 2008

    Unfortunately the warranty has expired. I did try other speakers as you suggested and that did not help. Thanks for trying to help.

  • bgloyd May 28, 2008

    Yes, that was my conclusion as well.

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You need to look at the capacitors for one and see if any look bloated. This will require opening up the system. Also look for bad connections on the board and don't touch the capacitors as they carry a large charge. You say that when the sound works, it works good but the picture dims? This would indicate bad resistors, or the capacitors. Please have a look and tell me what you find.

If you have any questions about doing this, please ask or if you don't feel comfortable doing this, please let me know

Posted on May 25, 2008

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  • Benjamin Patri
    Benjamin Patri May 25, 2008

    Alright, do you have an extra speaker at all? I want you to try hooking up some external speakers to see if they would work so we can narrow down the location of this problem better. Also, when you get sound, does occur on its own while the tv is on or once you turn it on the sound appears sometimes. Maybe a loose connection like I said before is causing this, when you don't have sound try bumping the tv to get sound and see if that works. Please get back to me on the external speakers. thanks

  • Benjamin Patri
    Benjamin Patri May 25, 2008

    When you opened the tv, did you check the wires from the speakers to the board at all? I don't think these are a problem since your picture is having problems when the speakers work but it is worth a look.

  • Benjamin Patri
    Benjamin Patri May 25, 2008

    I'm thinking that it may be your audio amplifier causing the problem and that it may be sucking a little too much power when working if everything above looks fine, but the external speakers would help narrow this down for sure

  • Benjamin Patri
    Benjamin Patri May 25, 2008

    also one more thing, this happens on all inputs correct? channels, dvd player, I assume so...

  • Benjamin Patri
    Benjamin Patri May 26, 2008

    You don't still have the warranty on this device do you?

    Did you try plugging in any other speakers or headphones to it and seeing if they will do the same thing to the screen?


  • Benjamin Patri
    Benjamin Patri May 27, 2008

    well then it sounds like a defective board or maybe a wire is shorting out, have another look to see if any wires running to the speakers may be shorting out. You could try rewiring the speakers and see if that helps. Otherwise, what I would try now is calling audiovox and see what they can do for you, perhaps give you a discount on a new one as I don't think it would be worth fixing but see what they say and let me know how it goes

  • Benjamin Patri
    Benjamin Patri May 28, 2008

    Please don't forget to rate my solution when you are satisfied with my service here. thanks

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Hi,

Did you try a hard reset by unpluging all the cords for 4 hours and then put them back?

Posted on May 25, 2008

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